integer.h
来自「现在关于h.264的源码很多」· C头文件 代码 · 共 48 行
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48 行
/* * arbitrary precision integers * Copyright (c) 2004 Michael Niedermayer <michaelni@gmx.at> * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA * *//** * @file integer.h * arbitrary precision integers * @author Michael Niedermayer <michaelni@gmx.at> */#ifndef INTEGER_H#define INTEGER_H#define AV_INTEGER_SIZE 8typedef struct AVInteger{ uint16_t v[AV_INTEGER_SIZE];} AVInteger;AVInteger av_add_i(AVInteger a, AVInteger b);AVInteger av_sub_i(AVInteger a, AVInteger b);int av_log2_i(AVInteger a);AVInteger av_mul_i(AVInteger a, AVInteger b);int av_cmp_i(AVInteger a, AVInteger b);AVInteger av_shr_i(AVInteger a, int s);AVInteger av_mod_i(AVInteger *quot, AVInteger a, AVInteger b);AVInteger av_div_i(AVInteger a, AVInteger b);AVInteger av_int2i(int64_t a);int64_t av_i2int(AVInteger a);#endif // INTEGER_H
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